READING CHECK
7. What is the difference between a compound and a mixture?
ker notes

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.

When a scientific theory has been tested and proved by the scientific community, it becomes a law

In one or two grammatically correct sentences, write a definition for the term molecule geometry